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	hartrees
Energy at 0K	-152.341930
Energy at 298.15K
HF Energy	-151.996074
Nuclear repulsion energy	72.207214

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3123	3056
2	A₁	1579	1545
3	A₁	1200	1175
4	A₁	1114	1090
5	A₁	786	769
6	A₂	3198	3130
7	A₂	1201	1176
8	A₂	991	970
9	B₁	3217	3148
10	B₁	1101	1078
11	B₁	843	826
12	B₂	3111	3045
13	B₂	1564	1531
14	B₂	1125	1101
15	B₂	732	717

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.926
C2	0.000	0.750	-0.406
C3	0.000	-0.750	-0.406
H4	0.923	1.280	-0.636
H5	-0.923	1.280	-0.636
H6	-0.923	-1.280	-0.636
H7	0.923	-1.280	-0.636

	O1	C2	C3	H4	H5	H6	H7
O1		1.5287	1.5287	2.2203	2.2203	2.2203	2.2203
C2	1.5287		1.5005	1.0888	1.0888	2.2419	2.2419
C3	1.5287	1.5005		2.2419	2.2419	1.0888	1.0888
H4	2.2203	1.0888	2.2419		1.8462	3.1560	2.5597
H5	2.2203	1.0888	2.2419	1.8462		2.5597	3.1560
H6	2.2203	2.2419	1.0888	3.1560	2.5597		1.8462
H7	2.2203	2.2419	1.0888	2.5597	3.1560	1.8462

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	60.607	O1	C2	H4	115.008
O1	C2	H5	115.008	O1	C3	C2	60.607
O1	C3	H6	115.008	O1	C3	H7	115.008
C2	O1	C3	58.785	C2	C3	H6	119.104
C2	C3	H7	119.104	C3	C2	H4	119.104
C3	C2	H5	119.104	H4	C2	H5	115.951
H6	C3	H7	115.951

All results from a given calculation for C₂H₄O (Ethylene oxide)

using model chemistry: MP4=FULL/3-21G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C2H4O (Ethylene oxide)

using model chemistry: MP4=FULL/3-21G

States and conformations

All results from a given calculation for C₂H₄O (Ethylene oxide)